How did colonization affect Africa? A. It decreased diversity in Africa.
B. It stabilized the African economy.
C. It ended apartheid.
D. It increased ethnic tensions in Africa.

2/6 of be by to 2/6 is to 24/72 ?

Geologists know that potassium-40 decays to argon-40, with a half-life of 1.3 billion years. if an analysis of a feldspar crystal in a sample of granite shows that 75 percent of the potassium-40 atoms have decayed to form argon-40, what is the age of the granite

How is frances culture important to its economy